ARM: dts: mdss: Increase MDSS clock hysteresis cycles for msm8226

Increasing the number of cycles of MDSS clocks to stay active for
an additional 32 cycles before gated off.

Change-Id: Ia98b9d98ca59fd7bed408c775d8f58d35e6df5bb
Signed-off-by: Krishna Chaitanya Parimi <cparimi@codeaurora.org>